Atomic Structure and Radioactivity Crossword Puzzle
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QUESTIONS LIST:
- gamma : least ionizing but hardest to stop radiation
- isotope : atoms with the same number of protons but a different number of neutrons
- beta : radiation made up of a fast-moving electron
- orbit : electrons _ the nucleus at fixed energy levels / shells
- electron : particle with negative charge
- alpha : most ionizing but easiest to stop radiation, made up of two protons and two neutrons
- half life : the time it takes for half of the unstable nuclei in a sample to decay
- atomic number : number of protons in an atom's nucleus
- neutron : particle with no charge
- mass number : number of protons and neutrons in an atom's nucleus
- proton : particle with positive charge
